SSC JE Electrical 2018 with solution SET-1
 Which of the following is a static exciter?

Metadyne
Rectifier
Amplidyne
DC Separately excited generator

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SSC JE Electrical 2018 with solution SET-1
 What is the magnitude of the reactive power (in kVAR) of a balanced 3-phase delta connected system having the line voltage of 400 V and the line current of 50 A and the phase difference between the voltage and current is 53.13 degrees?

27.71
277.1
2.771
0.2771

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SSC JE Electrical 2018 with solution SET-1
 A house has 5 fans of 70 W each that operates for 16 hours a day and one washing machine of 2000 W that operates for 1 hours per day in the month of June. What is the energy consumption(in kWh) of the house in the month of June?

350
486.6
228
235.6

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SSC JE Electrical 2018 with solution SET-1
 Which one of the following is a passive element to an electric circuit?

Voltage source
Current source
Battery
Resistors

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SSC JE Electrical 2018 with solution SET-1
If the centrifugal switch does not open at 70 to 80 percent of a synchronous speed of the motor, it would result in

None of these
Damage to the starting winding
Damage to the centrifugal switch
Overloading of running winding

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